G. A. Richman is a character mentioned in Grand Theft Auto V.
History
Background
Richman is the executive producer of Richmans' gang-banger movie GANGSTA 101 and presumably has some relationship to the production company and Doug Richman, the producer.
They are one of the honored celebrities on the Vinewood Walk of Fame.
Gallery
G.A. Richman's star on the Vinewood Walk of Fame.